Lege Artis Medicinae

[The core of the reform]

FRENKL Róbert

DECEMBER 20, 2007

Lege Artis Medicinae - 2007;17(12)

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[MYELODYSPLASTIC SYNDROMES - NEW THERAPEUTIC OPTIONS]

GADÓ Klára

[Myelodysplastic syndrome is a heterogeneous group of acquired clonal disorders of the haematopoietic stem cell characterized by ineffective haematopoiesis, peripheral cytopenia, and a high risk of progression to acute leukaemia. It is a common malignant disease with an increased incidence in the elderly population. Classification is based on a 1999 WHO recommendation, in which morphological features as well as clinical and cytogenetic characteristics are taken into account. Combined with the International Prognostic Scoring System (1997), it is suitable to predict prognosis and response to therapy. Clinical features include symptoms caused by anaemia, infections, and bleeding. Diagnosis is based on peripheral cytopenia and dysplastic morphology, as well as normal or increased cellularity in the bone marrow, with more than 10% of dysplastic cells. The verification of cytogenetic abnormalities is important both for confirming the diagnosis and predicting the prognosis. When designing the treatment strategy, it is essential to take the risk of leukaemia into account. On the other hand, the general state of the patient and the presence of accompanying diseases should also be considered. The goal of the treatment is to increase cell count and to decrease transfusion requirement, eventually to improve quality of life. Supportive therapy is an essential part of the management. In addition, growth factors, immunosuppressive and immunomodulatory agents, low-dose chemotherapy may be applied. Today, cure can only be achieved by allogenic stem cell transplantation. Recent findings in the epigenetic intracellular regulation allowed the definition of new therapeutic targets to develop drugs such as inhibitors of DNA methyltransferase and histone deacetylase.]

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Hungarian Radiology

[Lesions resembling radial scar of the breast - Is preoperative biopsy of the radial scar needed?]

SEBŐ Éva, SARKADI László, KOVÁCS Ilona, TÓTH Dezső, BÁGYI Péter

[INTRODUCTION - The radial sclerosing lesion is one of the most common benign breast lesions. It can mimic malignant tumours on mammogram in many cases. In one third of the cases invasive tumour or in situ carcinoma occur in radial sclerosing lesion, therefore surgical excision is mandatory. The aim of our work is to diagnose the malignant cases with preoperative biopsy (FNAB, core biopsy) when radial scar morphology lesion is detected in order to avoid two-step surgical procedure. PATIENTS AND METHODS - Forty-five patients were examined with the same method. In all cases of radial sclerosing morphology lesions a mammography, complementary radiograms, ultrasonography (US) and synchronous US guided FNAB and core biopsy were performed. Postoperative pathological findings were compared to the results of preoperative biopsies. RESULTS - In 6 of 45 cases (13%) malignant tumours mimicked radial scar in morphology. All of them were diagnosed preoperatively with core biopsy (B5). The FNAB was nondiagnostic (C1) in 2 patients, suspicious for malignancy (C4) in 2 patients and was positive in 2 cases (C5). Radial scars or complex sclerosing lesions were diagnosed in 39 patients preoperatively. In 28 cases (72%), malignancy was not detected with postoperative pathological examination. In 8 cases (20%) DCIS and, in 3 cases (8%), malignant tumours were found associated to radial scar. Neither FNAB nor core biopsy gave false positive results in the non-malignant group. In the patients with DCIS associated to radial scar, core biopsy proved malignancy in 5 cases and FNAB in only 1 case. In 3 cases of invasive malignant tumour associated with radial scar core biopsy was positive in 1 patient, while FNAB was negative or non-diagnostic in all of them. CONCLUSION - According to the latest publications vacuum- assisted large-core needle biopsy (VLNB) performed with 11G needle (12) is the safest procedure to justify or exclude malignancy in the radial scar. Observation would be enough in the non-malignant cases and this procedure has therapeutic potential as well. In case where these methods are not available, as in Hungary, all radial scar cases require surgical excision. Therefore, preoperative core biopsy is recommended in order to avoid a two-step surgical procedure.]

Lege Artis Medicinae

[Personality development in East and West, and some clinical implications ]

PUREBL György

[Exploring human personality focused mainly on trait and state markers of behaviour so far. Nevertheless, the concept of the universal, culture-independent model of personality carries more disturbing difficulties: hardly understandable inter-cultural conflicts, culture-related mental disorders and scientific experiences with unexpected outcomes. It can be hypothesized, that beside personality concept represented by the Euro-Atlantic civilisation and mainstream psychology there is an alternative concept of personality. Opposed to the independent, autonomous ego concept of individualistic cultures, collectivistic (primarily far-eastern) cultures are providing an interdependent model. According to this model, the core element of personality are determined rather by social embedding instead of the person’s own characteristics, which are secondary to the personal traits and characteristics. This study attempts to briefly outline the concept of interdependent personality, with some illustrative clinical examples. ]

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[Melatonin, sleep and the circadian rhythm: theoretical considerations and their chronopharmacological applications ]

BÓDIZS Róbert

[The predictive homeostasis of living organisms is an anticipatory adaptation to rhythmical environmental changes. A good example for this is the circadian rhythm preparing the organism for the alternation of day and night. The circadian rhythm of melatonin production anticipates the timing and duration of nocturnal sleep of human subjects. It also induces a sleep-like stimulusprocessing mode of the brain and - in case of adequate environmental circumstances - a soporific and in part, a sleep-inducing effect. Specificities of melatonin effects on sleep are the reduction of slow-wave EEG activity, as well as the increase in seep EEG spindling and REM sleep time. Like other substances with hypnotic properties, melatonin decreases core body temperature, but has also a strong chronobiotic effect that is expressed as rapid and strong phase shifts of the circadian rhythm, depending on the time of day of melatonin administration. Because light acutely suppresses melatonin production, adequately timed light exposition, containing also low wavelength components, together with exogenous melatonin, could be useful in treating jet-lag syndrome and other circadian rhythm disorders.]

Clinical Neuroscience

Altered BOLD response within the core face-processing network in congenital prosopagnosia

NÉMETH Kornél, ZIMMER Márta, NAGY Krisztina, BANKÓ Éva, VIDNYÁNSZKY Zoltán, VAKLI Pál, KOVÁCS Gyula

Background and purpose - Congenital prosopagnosia is a life-long disorder of face perception. To study the neural backgrounds of congenital prosopagnosia we measured the blood oxygen level-dependent response of congenital prosopagnosic participants, using functional magnetic resonance imaging. Methods - We tested three persons of the family (father, daughter and son), having symptoms of congenital prosopagnosia, as well as healthy controls, using combined neuropsychological and functional magnetic resonance imaging methods. To reveal the neural correlates of the impairments, blood oxygen level-dependent responses within the occipito-temporal cortex were measured to faces and nonsense object images in a block-design experiment. Results - Neuropsychological tests demonstrated significant impairments of face perception/recognition in each subject. We found that the activity of the fusiform and occipital face areas as well as of the lateral occipital cortex was significantly reduced in congenital prosopagnosic participants when compared to controls. Analysis of the hemodynamic response function revealed a lower peak response, but also a significantly faster and stronger decay of the blood oxygen level-dependent response in the occipito-temporal areas in congenital prosopagnosic participants when compared to controls. Conclusion - Our results emphasize the dysfunction of the core face processing system, as well as the lateral occipital complex, in congenital prosopagnosia. Further, the functional impairment of these areas is signalled best by the altered hemodynamic response function, showing abnormally low initial peak and stronger and faster decay in the later parts of the blood oxygen level-dependent response.

Journal of Nursing Theory and Practice

[Examination of nursing students’s leisure activities and the most important elements of the their social support system ]

PICZIL Márta, PIKÓ Bettina

[Aim of the sudy: The aim of the examination is to show how and what kind of leisure activities the full-time and part-time nursing students spend their free-time. Also that social supportive system is in the centre which can provide help in case of occurence of mental and financial problems by its most important components. Sample and methods: The questionnaire survey was going on at the University of Szeged, Faculty of Health Sciences and Social Studies where the sample consisted of nursing students (N=208) both part-time (n=136) and full-time (n=72). Results: In connection with leisure activities it can be ascertained that the professional nursing students mainly prefer free and located spare time activities. The components of their social supportive system are especially informal ignoring professionism. Conclusions: By the achievements it can be established that a long-waited reform should be carried out in order that in consequence of higher incomes and a better organization of work the extended free-time serves and recreation indeed. In case of mental problems the professional assistants should receive places among the components of social supportive system. ]